15. For years, tablets have enriched our lives at work and at home, allowing us to stay ____ and access information with ease. A. connecting ​B. connected ​C. connect ​D. connection 16. Viet Nam has abundant mineral water sources, ____ throughout the country. A. be found ​B. finding ​C. find​D. found 17. Some private companies in China try to avoid employing women of child bearing ____ and sometimes sack them once they are going to have a baby. A. years ​B. time ​C. old​D. age 18. The ____ mangrove forest is home to a variety of wildlife. A. flooded ​B. flood​C. flooding ​D. floods 19. Saudi Arabia is the last country to allow women to vote, and this is a first step in the long ____ of the gender equality. A. struggle ​B. way​C. distance​D. direction 20. In addition, Hawaii is home to some magnificent botanical gardens, opportunities for animal ____ education, and cultural engagement. A. conservationist​B. conserve ​C. conservation​D. conservational 21. Computer games ____ encourage players to move up levels and earn high scores may help develop mathematical skills. A. they ​B. those​C. which​D. whose 22. All forms of discrimination against all women and girls ____ immediately everywhere. A. must be allowed​B. must be followed ​C. must be taken away​D. must be ended 23. A major issue for teachers ____ allow students to use their own devices is how to provide online access to such devices. A. who ​B. those ​C. they​D. ones 24. A common reason that someone ____ more for similar work is because of his or her experience or “length of service”. A. can be paid​ B. must be paid ​C. may be paid. ​D. should not be paid 25. The examination papers ____ by machine. The students ____ of their results next week. A. should be scored - are told ​B. will score - will be said C. can be scored - can be told ​D. are scored - will be informed 26. In New York State, you can sleep green by staying at one of the hotels, committing to ____ practices. A. environmentally friendly ​B. friendly environmentally C. environment friendly​ D. environmental friendly